Numbers k such that k^3 contains exactly 3 copies of each digit of k.

Terms

a(0) =87624375a(1) =88236519a(2) =516473892a(3) =569784132a(4) =576283194a(5) =623837409a(6) =652319574a(7) =726918453a(8) =751396842a(9) =865917402a(10) =876243750a(11) =882365190a(12) =908714352a(13) =984052317a(14) =996302784a(15) =4680215379a(16) =4721985066a(17) =4752360918a(18) =4765380219a(19) =4780620591a(20) =4816217505a(21) =4823206911a(22) =4857619623